TPS65257 Key Features
- Wide Input Supply Voltage Range: 4.5 V
- 0.8-V, 1% Accuracy Reference
- Continuous Loading: 3 A (Buck1), 2 A (Buck2 and 3)
- Maximum Current: 3.5 A (Buck 1), 2.5 A (Buck2 and 3)
- Synchronous Operation, 300-kHz
- 2.2-MHz Switching Frequency Set By External Resistor
- External Enable Pins With Built-In Current Source for Easy Sequencing
- External Soft Start Pins
- Adjustable Cycle-by-Cycle Current Limit Set by External Resistor
- Current-Mode Control With Simple pensation Circuit